{
  "dimension": "painting_in_painting",
  "type": "形式",
  "highlight_cluster": "虚实呼应的画中画结构",
  "description": "画布上的内容与现实场景形成镜像或互文关系，增加叙事深度的画中画结构",
  "files": {
    "pip_structure_visual.png": {
      "type": "视觉参考图",
      "purpose": "画中画三层叙事结构示意图，展示img_1和img_2的构图逻辑",
      "tool": "Python PIL生成"
    },
    "pip_analysis.json": {
      "type": "详细分析",
      "purpose": "画中画结构专业分析，包含每张图的层次关系和生成信号"
    }
  },
  "structure_template": {
    "layer_1": "Foreground: Girl in white dress + painting tools (sharp, 40% frame)",
    "layer_2": "Mid-ground: Canvas on easel showing painted scene (sharp, 30% frame)",
    "layer_3": "Background: Real natural scene (blurred bokeh, 30% frame)",
    "narrative_echo": "Canvas content mirrors/echoes the real background, creating meta-artistic narrative",
    "composition_key": "Side-back angle allows simultaneous view of painter, canvas, and real scene"
  },
  "per_image_composition": {
    "img_1": {
      "camera_angle": "3/4 side-rear (侧后方视角)",
      "canvas_content": "Impressionist woman in blue-green flower field",
      "narrative_type": "Artist's vision of surrounding nature",
      "sd_composition": "female artist from side-rear, easel with painting visible, lush green background"
    },
    "img_2": {
      "camera_angle": "Direct rear (正后方视角)",
      "canvas_content": "Impressionist girl in garden with purple flowers",
      "narrative_type": "Idealized interpretation of real scene",
      "sd_composition": "female artist from direct rear, canvas with painting in front, backlit natural scene"
    }
  },
  "sd_prompt_template": {
    "base": "female artist painting outdoors, painting-within-painting composition, canvas visible with impressionist artwork",
    "img_1": "three-quarter rear view, artist to right, easel with canvas to left, impressionist painting on canvas, lush green background",
    "img_2": "direct rear view, artist centered, canvas directly in front, backlit golden hour, impressionist painting visible on canvas"
  },
  "mapping": [
    {
      "image": "img_1",
      "paragraph": "段落1.2.1",
      "type": "形式",
      "feature": "画中画结构",
      "specific": "侧后方视角，画布内容与现实场景镜像",
      "path": "output/features/painting_in_painting/pip_structure_visual.png"
    },
    {
      "image": "img_2",
      "paragraph": "段落2.1.2",
      "type": "形式",
      "feature": "画中画结构",
      "specific": "正后方视角，画布与背景互文",
      "path": "output/features/painting_in_painting/pip_structure_visual.png"
    }
  ]
}